Method for manufacturing embedded type multi-layer compound film cutting temperature sensor

A multi-layer composite and manufacturing method technology, applied to thermometers, thermometers with directly heat-sensitive electric/magnetic elements, instruments, etc., can solve the problems of thermocouple short circuit, worn thermocouple, etc., achieve short response time, improve Good service life and economical effect

Inactive Publication Date: 2008-12-17
DALIAN UNIV OF TECH
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  • Abstract
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Problems solved by technology

Although this kind of thin-film thermocouple can accurately measure the cutting temperature at the tip of the tool, the sub-blade structure is only suitable for cutti

Method used

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  • Method for manufacturing embedded type multi-layer compound film cutting temperature sensor
  • Method for manufacturing embedded type multi-layer compound film cutting temperature sensor
  • Method for manufacturing embedded type multi-layer compound film cutting temperature sensor

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[0017] The specific implementation process of the present invention will be described in detail below in conjunction with the technical solution and the drawings. The specific steps for manufacturing the embedded thin film thermocouple temperature measurement tool sensor are as follows:

[0018] Step 1: Prepare the knife body 1

[0019] When using high-speed steel materials, use a precision wire cutting machine tool to process the high-speed steel blade into a standard machine-clamped blade body 1, such as figure 1 Shown. Grind the flank face A of the cutter body 1 from coarse to fine with No. 240, No. 400, No. 600, No. 800, and No. 1000 water sandpaper, and finally polish to a mirror surface with a water-soluble diamond grinding paste with a particle size of less than 0.1 μm. When using cemented carbide materials, use a precision wire cutting machine tool to process the cemented carbide blade into a standard machine-clamped blade body 1, such as figure 1 As shown; the flank fac...

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Abstract

The invention relates to a method for manufacturing an embedded multi-layer composite thin-film cutting temperature sensor, in particular to a method for measuring the transient cutting temperature of a cutter point during cutting and manufacturing, and belongs to the temperature sensor field. SiO2 insulating film deposition on a cutter body is carried out for a plurality of times, so as to form a multi-layer composite thin film; then a thin-film thermocouple is formed through sputtering deposition of a NiCr thin-film electrode and a NiSi thin-film electrode; and then the prepared thin-film thermocouple is embedded into a protective layer. The radio-frequency reactive unbalanced magnetron sputtering technology is enhanced by adopting a microwave ECR plasma; the prepared thin-film thermocouple is embedded into the protective layer, so as to be prepared into an embedded multi-layer composite thin-film temperature measurement sensor integrating the cutting and the temperature measurement. The sensor has the advantages of long service life and cost-effectiveness. The thermocouple has the advantages of minimum size of a hot end and short response time, thereby achieving the submicrosecond level. A compensation conducting wire is hidden in a cutter head, so that the anti-interference capability is strong. Therefore, the cutting temperature of the cutter point can be measured rapidly, accurately and stably by the method.

Description

technical field [0001] The invention belongs to the field of temperature sensors and relates to a method for measuring the transient cutting temperature at the tip of a tool during cutting. Background technique [0002] Since a large amount of cutting heat is generated in the high-speed cutting process, the cutting temperature rises, which directly affects the thermal deformation of the workpiece, the quality of the machined surface, the generation and disappearance of edge edge on the rake area of ​​the tool, and the life of the tool, so fast and accurate monitoring The cutting temperature can obtain the processing quality of the workpiece and the working state of the tool. [0003] At present, the common methods of measuring cutting temperature are: natural thermocouple, artificial thermocouple, far-infrared radiation method, metal microstructure and microhardness change method, etc. The natural thermocouple method measures the average temperature of the cutting area, and...

Claims

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Application Information

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IPC IPC(8): G01K7/02
Inventor 孙宝元孙奉道崔云先钱敏张军
Owner DALIAN UNIV OF TECH
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